Know your data 30: everything's ok until it happens to you
Kaiser muses about Elon Musk and his flight log.
Web/Tech
Great data journalism should have destroyed Djokovic's story but it didn't
Kaiser describes some fun data sleuthing work as Germans looked into a tennis superstar's Covid-19 test results.
Cybersecurity mystery
Kaiser has a question about password rules.
Dr. Backlog jumps the pond
Kaiser investigates the official reason for U.K. under-reporting of coronavirus cases.
Tautology in data arguments
Kaiser discusses statistical tautologies.
What's wrong with this data?
Kaiser Fung (Numbersense) invites readers to help decide whether the data are fake, using a Yelp account as an example.